Full-floor flat plate wrecker
Through the chain transmission method and the cylinder-driven sprocket system, the working problems of the fully-floor flat-panel wrecking vehicle in harsh environments are solved, and efficient vehicle drag and tire limits are achieved to adapt to various environments and narrow spaces.
Patent Information
- Application Number
- CN202422577091.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-10-24
AI Technical Summary
The existing fully floor flatbed wrecking vehicles cannot operate properly in harsh environments and cannot provide additional restrictions on loading vehicle tires.
The chain transmission method is adopted to achieve stable lifting and movement of the trailer frame through the combination of the hoisting cylinder, the translation cylinder and the transmission chain. The chain is used to drive the plate to move forward and backward, and the wheels are fixed in combination with the limit frame.
It realizes stable work in high temperatures and various environments, avoids slippage, improves the movement speed and efficiency of the flat plate, can operate in a narrow space, and adapts to harsh environments.
Smart Images

Figure CN223116259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flat wrecking trucks, in particular to a fully-landed flat wrecking truck. Background Technique
[0002] A flat wrecking truck is a road wrecking truck and a road rescue vehicle, mainly used for the rescue and wrecking operations of faulty, accident and illegal vehicles. It is a special vehicle that uses a traction mechanism to pull the vehicle onto the flatbed for transportation. However, the existing fully-landed flat wrecking trucks often have certain problems, such as:
[0003] The "fully-landed flat wrecking truck" with the application number 202121153264.2 includes a vehicle body part and a vehicle tail part. A pallet mechanism is provided on the vehicle body between the vehicle body part and the vehicle tail part. The pallet mechanism includes a track, the track is connected with a sliding pallet, and the sliding pallet is connected with a pallet driving assembly for driving the sliding pallet to slide along the track. A jacking rod is provided at the bottom of the vehicle body part, and the jacking rod is provided at the lower front end of the vehicle head part or the lower part of one end of the pallet mechanism close to the vehicle head part. A support rod is fixedly provided at the lower part of the vehicle tail part; this device uses a tow plate mechanism, which is prone to wear during long-term use, and cannot work in harsh environments and cannot additionally limit the tires of the loaded vehicle, and cannot meet the daily needs. In view of this, a fully-landed flat wrecking truck is proposed to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a fully-landed flat wrecking truck to solve the problems that the existing fully-landed flat wrecking trucks cannot work normally in harsh environments and cannot additionally limit the tires of the loaded vehicles as mentioned in the above background technique.
[0005] To achieve the above object, the present utility model provides the following technical solutions: It includes a vehicle chassis, a trailer frame and a sub-frame. The left end of the vehicle chassis is fixedly connected to a vehicle head, and a support is fixedly connected to the left end of the upper surface of the vehicle chassis. The right end of the upper surface of the vehicle chassis is rotatably connected to a rotating support seat through a rotating shaft, and the upper surface of the rotating support seat is fixedly connected to the lower surface of the sub-frame. The left end of the horizontal center of the upper surface of the vehicle chassis is rotatably connected to a jacking oil cylinder, and the tail end of the jacking oil cylinder is rotatably connected to the lower surface of the sub-frame. The inner wall surface of the sub-frame is connected by a bearing to a first rotating shaft, and driven drive sprockets are sleeved at both ends of the first rotating shaft. The right inner wall surface of the sub-frame is connected by a bearing to a second rotating shaft, and driving drive sprockets are sleeved at both ends of the second rotating shaft. A transmission chain is sleeved on the driving drive sprocket, and the driving drive sprocket and the driven drive sprocket are connected by the transmission chain for transmission. A translation oil cylinder is fixedly connected to the right inner wall surface of the sub-frame, and the upper end surface of the translation oil cylinder is fixedly connected to the inner top surface of the sub-frame. A telescopic rod is fixedly connected to the shaft end of the translation oil cylinder. Slide rails are arranged on the upper surface of the sub-frame and are symmetrically arranged with respect to the sub-frame. The upper surface of the sub-frame is slidably connected to the trailer frame through the slide rails, and an electric winch is fixedly connected to the right end surface of the gantry of the left end of the trailer frame.
[0006] Adopting the above technical solutions is convenient for ensuring the stability of the overall structure.
[0007] As a preferred technical solution of the present utility model, a second roller is rotatably connected to the lower right end of the trailer frame, and a fixed support seat is fixedly connected to the lower right end surface of the sub-frame.
[0008] Adopting the above technical solutions is convenient for adjusting the elevation angle of the trailer frame.
[0009] As a preferred technical solution of the present utility model, a fixed block is fixedly connected to the upper end of the transmission chain, and the upper end surface of the fixed block is fixedly connected to the lower surface of the trailer frame; the fixed blocks are symmetrically arranged with respect to the trailer frame.
[0010] Adopting the above technical solutions is convenient for moving the trailer frame.
[0011] As a preferred technical solution of the present utility model, an electric rotating rod is rotatably connected to the right end of the upper surface of the trailer frame, and an electric slide rail is fixedly connected inside the electric rotating rod; the electric rotating rod is slidably connected to an auxiliary rod through the electric slide rail.
[0012] Adopting the above technical solutions is convenient for a vehicle to enter the trailer frame.
[0013] As a preferred technical solution of the present utility model, a limiting frame is slidably connected to the upper surface of the trailer frame, and a first roller is rotatably connected to the lower end surface of the limiting frame; the upper end of the limiting frame is triangular.
[0014] Adopting the above technical solution facilitates the limitation of the wheels of the stationary vehicle.
[0015] As a preferred technical solution of the present utility model, gears are fixedly connected to the horizontal centers of the first rotating shaft and the second rotating shaft, and tooth grooves corresponding to the gears are arranged on the lower end surface of the telescopic rod.
[0016] Adopting the above technical solution facilitates the driving of the driving sprocket and the driven sprocket.
[0017] As a preferred technical solution of the present utility model, triangular slopes are arranged at the tops of the auxiliary rod and the telescopic rod.
[0018] Adopting the above technical solution facilitates the telescopic rod to lift the limiting frame.
[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: The device adopts a chain drive method, does not have a slipping phenomenon, has a relatively compact structure, is suitable for relatively narrow spaces, has a wide range of adaptability to the environment, can work under high temperatures and various service environments, and can drive the sprocket through an oil cylinder and drive the flat plate to move back and forth by means of a chain, so that the flat plate moves quickly and efficiently;
[0020] 1. After the vehicle stops stably, start the lifting oil cylinder. The lifting oil cylinder lifts the trailer frame and the sub-frame. When the elevation angles of the trailer frame and the sub-frame reach the maximum, the fixed support seat abuts against the ground at this time;
[0021] 2. Then start the translation oil cylinder. The translation oil cylinder drives the telescopic rod to move to the right end. When the telescopic rod moves, it drives the driving sprocket to rotate through the gear. The driving sprocket drives the transmission chain and the fixed block to move to the right through the transmission chain. The fixed block drives the trailer frame to slide obliquely towards the ground. While the trailer frame slides, the electric rotating rod rotates and becomes parallel to the trailer frame, and the electric slide rail extends the auxiliary rod until the auxiliary rod abuts against the ground;
[0022] 3. During the reset process after the vehicle is loaded, when the telescopic rod moves to the left end, the limiting frame is lifted by the first roller to fix the limitation of the wheels of the loaded vehicle. Brief Description of the Drawings
[0023] Figure 1 It is a schematic front sectional structure view of the present utility model;
[0024] Figure 2 It is a schematic front sectional structure view of the present utility model during operation;
[0025] Figure 3 It is a schematic front structure view of the present utility model;
[0026] Figure 4 It is a three-dimensional structure view of the limiting frame and the telescopic rod of the present utility model;
[0027] Figure 5 Schematic diagram of the connection structure between the first rotating shaft and the driven driving sprocket of the present utility model;
[0028] Figure 6 Schematic diagram of the connection structure between the sub-frame and the first rotating shaft of the present utility model.
[0029] In the figure: 1, vehicle head; 2, vehicle chassis; 3, lifting oil cylinder; 4, electric winch; 5, trailer frame; 6, sub-frame; 7, first rotating shaft; 8, driven driving sprocket; 9, fixing block; 10, limiting frame; 11, telescopic rod; 12, translation oil cylinder; 13, driving driving sprocket; 14, gear; 15, first roller; 16, electric rotating rod; 17, electric slide rail; 18, auxiliary rod; 19, second roller; 20, support; 21, second rotating shaft; 22, drive chain; 23, rotating support seat; 24, fixed support seat. Specific embodiments
[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0031] Please refer to Figures 1-5, the technical solution of the utility model: a full - floor flat wrecking truck, including a vehicle chassis 2, a trailer frame 5 and a sub - frame 6. The left end of the vehicle chassis 2 is fixedly connected with a vehicle head 1, and a support 20 is fixedly connected to the left end of the upper surface of the vehicle chassis 2. The right end of the upper surface of the vehicle chassis 2 is rotatably connected with a rotary support 23 through a rotating shaft, and the upper surface of the rotary support 23 is fixedly connected with the lower surface of the sub - frame 6. The left - hand horizontal center of the upper surface of the vehicle chassis 2 is rotatably connected with a lifting oil cylinder 3, and the tail end of the lifting oil cylinder 3 is rotatably connected with the lower surface of the sub - frame 6. The inner wall surface of the sub - frame 6 is connected with a first rotating shaft 7 by bearings, and driven sprockets 8 are sleeved at both ends of the first rotating shaft 7. The right - hand inner wall surface of the sub - frame 6 is connected with a second rotating shaft 21 by bearings, and driving sprockets 13 are sleeved at both ends of the second rotating shaft 21. A transmission chain 22 is sleeved on the driving sprocket 13, and the driving sprocket 13 and the driven sprocket 8 are connected by the transmission chain 22. A translation oil cylinder 12 is fixedly connected to the right - hand inner wall surface of the sub - frame 6, and the upper end surface of the translation oil cylinder 12 is fixedly connected with the inner top surface of the sub - frame 6. A telescopic rod 11 is fixedly connected to the shaft end of the translation oil cylinder 12. Slide rails are arranged on the upper surface of the sub - frame 6 and are symmetrically arranged with respect to the sub - frame 6. The upper surface of the sub - frame 6 is slidably connected with the trailer frame 5 through the slide rails, and an electric winch 4 is fixedly connected to the right - hand end surface of the gantry of the left end of the trailer frame 5, which is convenient for ensuring the stability of the overall structure.
[0032] The right - hand lower end of the trailer frame 5 is rotatably connected with a second roller 19, and a fixed support 24 is fixedly connected to the right - hand lower end surface of the sub - frame 6, which is convenient for adjusting the elevation angle of the trailer frame 5.
[0033] A fixed block 9 is fixedly connected to the upper end of the transmission chain 22, and the upper end surface of the fixed block 9 is fixedly connected with the lower surface of the trailer frame 5. The fixed blocks 9 are symmetrically arranged with respect to the trailer frame 5, which is convenient for moving the trailer frame 5.
[0034] The right - hand end of the upper surface of the trailer frame 5 is rotatably connected with an electric rotating rod 16, and an electric slide rail 17 is fixedly connected inside the electric rotating rod 16. The electric rotating rod 16 is slidably connected with an auxiliary rod 18 through the electric slide rail 17, which is convenient for the vehicle to enter the trailer frame 5.
[0035] A limiting frame 10 is slidably connected to the upper surface of the trailer frame 5, and a first roller 15 is rotatably connected to the lower end surface of the limiting frame 10. The upper end of the limiting frame 10 is triangular, which is convenient for limiting the wheels of the fixed vehicle.
[0036] A gear 14 is fixedly connected to the horizontal center of the first rotating shaft 7 and the second rotating shaft 21, and a tooth groove corresponding to the gear 14 is arranged on the lower end surface of the telescopic rod 11, which is convenient for driving the driving sprocket 13 and the driven sprocket 8.
[0037] Triangular slopes are provided at the top ends of the auxiliary rod 18 and the telescopic rod 11, facilitating the telescopic rod 11 to lift the limit frame 10;
[0038] Working principle: After the vehicle is parked stably, the jacking oil cylinder 3 is started, and the jacking oil cylinder 3 jacks up the trailer frame 5 and the sub-frame 6. When the elevation angles of the trailer frame 5 and the sub-frame 6 reach the maximum, the fixed support base 24 abuts against the ground at this time;
[0039] Subsequently, the translation oil cylinder 12 is started, and the translation oil cylinder 12 drives the telescopic rod 11 to move to the right end. When the telescopic rod 11 moves, it drives the driving sprocket 13 to rotate through the gear 14. The driving sprocket 13 drives the transmission chain 22 and the fixed block 9 to move to the right through the transmission chain 22. The fixed block 9 drives the trailer frame 5 to slide obliquely towards the ground. While the trailer frame 5 slides, the electric rotating rod 16 rotates and becomes parallel to the trailer frame 5, and the electric slide rail 17 extends the auxiliary rod 18 until the auxiliary rod 18 abuts against the ground;
[0040] During the reset process after the vehicle is loaded, during the movement of the telescopic rod 11 to the left end, the limit frame 10 is lifted by the first roller 15 to fix the position of the wheels of the loaded vehicle. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fully ground-mounted flatbed wrecking truck, comprising a vehicle chassis (2), a trailer frame (5) and a sub-frame (6), characterized in that: The left end of the vehicle chassis (2) is fixedly connected to the vehicle head (1), and a support (20) is fixedly connected to the left end of the upper surface of the vehicle chassis (2); the right end of the upper surface of the vehicle chassis (2) is rotatably connected to a rotating support base (23) through a rotating shaft, and the upper surface of the rotating support base (23) is fixedly connected to the lower surface of the sub-frame (6); the left end horizontal center of the upper surface of the vehicle chassis (2) is rotatably connected to a jacking oil cylinder (3), and the tail end of the jacking oil cylinder (3) is rotatably connected to the lower surface of the sub-frame (6); the inner wall surface of the sub-frame (6) is connected to a first rotating shaft (7) by a bearing, and driven drive sprockets (8) are sleeved at both ends of the first rotating shaft (7); the right inner wall surface of the sub-frame (6) is connected to a second rotating shaft (21) by a bearing, and driving drive sprockets (13) are sleeved at both ends of the second rotating shaft (21); a transmission chain (22) is sleeved on the driving drive sprocket (13), and the driving drive sprocket (13) and the driven drive sprocket (8) are connected by the transmission chain (22); a translation oil cylinder (12) is fixedly connected to the right inner wall surface of the sub-frame (6), and the upper end surface of the translation oil cylinder (12) is fixedly connected to the inner top surface of the sub-frame (6); a telescopic rod (11) is fixedly connected to the shaft end of the translation oil cylinder (12); slide rails are arranged on the upper surface of the sub-frame (6), and the slide rails are symmetrically arranged with respect to the sub-frame (6); the upper surface of the sub-frame (6) is slidably connected to the trailer frame (5) through the slide rails, and an electric winch (4) is fixedly connected to the right end surface of the gantry of the left end of the trailer frame (5).
2. The full-floor flatbed wrecking truck according to claim 1, wherein: A second roller (19) is rotatably connected to the lower right end of the trailer frame (5), and a fixed support base (24) is fixedly connected to the lower right end surface of the right side of the sub-frame (6).
3. The full-floor flatbed obstacle clearing vehicle according to claim 2, characterized in that: A fixed block (9) is fixedly connected to the upper end of the transmission chain (22), and the upper end surface of the fixed block (9) is fixedly connected to the lower surface of the trailer frame (5); the fixed blocks (9) are symmetrically arranged with respect to the trailer frame (5).
4. The full-floor flatbed obstacle clearing vehicle according to claim 3, characterized in that: An electric rotating rod (16) is rotatably connected to the upper right end of the upper surface of the trailer frame (5), and an electric slide rail (17) is fixedly connected to the electric rotating rod (16); an auxiliary rod (18) is slidably connected to the electric rotating rod (16) through the electric slide rail (17).
5. The full-floor flatbed obstacle clearing vehicle according to claim 4, characterized in that: A limiting frame (10) is slidably connected to the upper surface of the trailer frame (5), and a first roller (15) is rotatably connected to the lower end surface of the limiting frame (10); the upper end of the limiting frame (10) is triangular in shape.
6. The full - floor flat - bed obstacle - clearing vehicle according to claim 5, wherein: A gear (14) is fixedly connected to the horizontal center of the first rotating shaft (7) and the second rotating shaft (21), and a tooth groove corresponding to the gear (14) is arranged on the lower end surface of the telescopic rod (11).
7. The full-floor flat-bed obstacle clearing vehicle according to claim 6, wherein: Triangular slopes are arranged at the top ends of the auxiliary rod (18) and the telescopic rod (11).
Citation Information
Patent Citations
Flat plate wrecker
CN214822844U